Fosi Audio DAC Q7 Bluetooth 5.0 Decoder QCC3003 Low Latency PCM2706 USB Optical Hi-Fi Amp DAC

[Advanced AKM AK4493EQ] AK4493 adopt a new generation Premium VELVET SOUNDTM technology to make DAC works better with your audio. [Bluetooth 5.0 Wireless Audio] Built with high-end Qualcomm QCC3003 5.0 chip for achieving enhanced technology,...
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Overseas warehouse shipping 3-5 days, China warehouse shipping 7-15 days.
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  • [Advanced AKM AK4493EQ] AK4493 adopt a new generation Premium VELVET SOUNDTM technology to make DAC works better with your audio.

  • [Bluetooth 5.0 Wireless Audio] Built with high-end Qualcomm QCC3003 5.0 chip for achieving enhanced technology, leading to a quicker transmission and more stable connection with 49ft(15M) wide range.

  • [Excellent OP275-Amp] This new front end design combines both bipolar and JFET transistors to attain amplifiers with the accuracy and low noise performance of bipolar transistors, and the speed and sound quality of JFETs.

  • [Desktop DAC Designed for Hi-Fi Sound] All Aluminium Alloy shell to keep the purity of the sound, exclusively designed for the HiFi Audiophile, gold plated PCB, THD+N is as low as -113dB (0.0002%).

  • [Efficient Combination] High performance desktop DAC with Bluetooth, USB, optical and coaxial input to RCA line out. DAC decoding supports highest 192kHz / 24Bit.


  • Frequency Response: 20Hz-20KHz(±3dB)

  • Optical/Coaxial Input Sampling Rate: Opt-96kHz/24Bit, Coa-192kHz/24Bit

  • THD: -113dB (0.0002%)

  • PC-USB System Support: Windows all/MAC/Linux

  • SNR: ≥123dB

  • Input Interface: Bluetooth, USB, OPT, COA

  • Bluetooth Input: Bluetooth 5.0

  • Output Interface: RCA

  • PC-USB Input Sampling Rate: 48kHz/16Bit

  • Work Voltage: DC 12V

  • Size: 4.53*4.33*1.57 in

Quick tips:

1. Q: All the cables are connected, but no sound output?

A: Check the indicator is on, turn on the power if the light is still off, at this point you can find the same output voltage power supply (must 12V) to check if the machine or power supply failure.

If the indicator light is on, check whether the select knob is in the right position.

If both of the above are normal, check the input device if it is paused.

2. Q: Why do loudspeakers make a lot of electric noise?

A: If you are not using the original factory standard power supply, please replace the power supply before testing. Many power supplies in the market have large interference coefficients, which will cause a lot of current sounds.

3. Q: Why the speaker has a drone when I just plug in the input cable but don’t connect the sound sources?

A: If you use unshielded signal lines, there will be interference signals entering the power amplifier. If you hate the sound, you are advised to use the shielded signal lines or unplug the signal lines.

4. Q: Why there is no sound when PC-USB connects to PC?

A: First press the PC-USB operation to confirm whether the digital playback output has been selected. If still no sound, you can restart the computer and repeat the operation again.

5. Q: USB Device not recognized on Windows?

A: Select Start, then type device manager in the Search box, and then select Device Manager;

Expand Universal Serial Bus controllers. Press and hold (or right-click) a device and select Uninstall. Repeat for each device;

Once complete, restart your computer. Your USB controllers will automatically install.

Packing list: 

  • Fosi Audio DAC-Q7

  • DC12V 1A Power Adapter

  • PC-USB Cable

  • Optical Cable

  • User’s Manual

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Worldwide Shipping

We can ship to any country or region in the world. Shipping is free worldwide, except for special regions/countries where we are unable to offer shipping, such as Ukraine.

1. Overseas warehouse delivery
2. China(Shenzhen) delivery

1. Overseas warehouse delivery

Overseas warehouse delivery: United States, Canada, United Kingdom, Germany, France, Italy, Netherlands, Portugal, Spain, Sweden and Hong Kong, Macau, Taiwan in China are free shipping for you.

Order processing time: All orders require 1 business day for preparation and packaging, excluding Saturdays and Sundays. Holidays will be extended according to China's legal time.

Pre-order products: The shipping date is based on the specific product labeling.

After shipment, you can track your order. To track your order, please click here.
United States, Canada, United Kingdom: 3-5 days.
Germany, France, Italy, Netherlands, Portugal, Spain, Sweden: 3-7 days.
Other countries:3-10 days.

Note: If there is a stock shortage in the overseas warehouse, the delivery time may be extended by 5-15 days. We will contact you via email, and you can also inquire with our customer service regarding the delivery status. 

2. China(Shenzhen), shipping worldwide via 4px.

Order processing time: All orders require 1 business day for preparation and packaging, excluding Saturdays and Sundays. Holidays will be extended according to China's legal time.

Pre-order products: The shipping date is based on the specific product labeling.

After shipment, you can track your order. To track your order, please click here.
Ships from China warehouse, standard shipping usually takes 5-15 days, fast shipping takes 3-7 days ($25 shipping fee applies)

Note: If there is a stock shortage in the China warehouse, the delivery time maybe extended by 5-15 days.
We will contact you via email, and you can also inquire with our customer service regarding the delivery status.

Not all products have stock in other warehouses. If you require urgent delivery from another warehouse, please confirm with us first. 
If your order does not display any shipping time, it is usually because you have purchased multiple products, each from a different warehouse, resulting in the inability to display the normal shipping time. It will default to 5-15 days. 
If you have any questions, please feel free to contact us.


European Union (EU) Countries:

For shipments from the China warehouse to EU countries: 

The final price you see on the official website includes taxes.This way, you don't have to pay the taxes yourself, saving you time and effort.
However, if you prefer, you can choose to pay the taxes yourself, and we will refund the taxes paid through our platform.

Other Countries:

The final price you see on the official website does not include taxes. Imported goods/services may be subject to taxes and are governed by local country/region laws. We do not collect any taxes or value-added taxes, nor do we assume any tax liability. 
If you have specific requirements, please contact us.

For countries with complex customs procedures, such as South America, we recommend ordering through AliExpress or finding a recipient in North America to assist with the shipment.

 Note: Remote addresses may experience longer delivery times and incur additional costs.

✓ 30 Days Free Return

At Fosi Audio, we always strive for the highest customer satisfaction. If you are dissatisfied with the product or if it has any defects, you can request a return or refund.

Within 30 days of purchase, for any reason whatsoever, undamaged products can be returned for a full refund. Once the returned items are inspected upon arrival at our warehouse, the refund process will be initiated.

Items must be in their original packaging. For non-quality related return requests, the buyer is responsible for the return shipping costs. Returns that do not meet the above requirements may be rejected.

We cover return shipping costs for the following situations:

  1. Defective parts.
  2. Damaged equipment.
  3. Incorrectly shipped items.

The 30-day period starts from the day you receive the item.

*If your order exceeds the 30-day free return period and it is still unopened, you may still apply for a return. However, you will need to bear the return shipping costs, and a 15% restocking fee will be charged. (This situation only applies to products purchased from

How can I initiate a return?

  1. Please contact Fosi Audio customer support to initiate the return. Explain the reason for the return and provide the invoice or screen capture to confirm the order number.
    customer support email:
    Phone: 00852-67645515
  2. Fosi Audio customer support will provide you with the return address within 1-2 days.
  3. To expedite the refund process, make sure to send the return notification to Fosi Audio customer support with the following information:
  • tracking number
  • shipping receipt (If shipping fee refund needed)
  • PayPal account (If shipping fee refund needed)

How long will it take to receive the refund?Once the returned items reach our warehouse, we will promptly process the refund. The refund will be made using the same method as your original payment. The processing time usually takes 3-5 business days.